How to add a region in node.tpl.php programmatically with Drupal - 6

1. Define a region in your theme's .info file.
   regions[your_block_region] = Your Block Region

2. Add Below Code in your theme's template.php file.
   function yourthemename_preprocess_node(&$vars, $hook) {
     $vars['your_block_region'] = theme('blocks', 'your_block_region');
   }

3. Clear Site's Cache.

 Author: Ujval Shah, Project Manager, Gloscon Solutions Pvt. Ltd.